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Siemens B390GFHH - 3-Pole GFCI Breaker 90A 208/120V

Siemens
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Siemens B390GFHH is a 3-pole molded case circuit breaker designed to provide ground fault circuit interruption with a 5 mA sensitivity for personnel protection in industrial electrical distribution systems. It is rated for 90 A of current and operates at 208/120 V, making it suitable for protecting branch circuits in commercial and light industrial applications. The unit features a compact, rugged construction typical of Siemens molded case breakers, ensuring reliable performance in demanding environments. This breaker complies with applicable UL and NEC standards for ground fault protection. It is commonly deployed in panelboards, switchboards, and motor control centers where enhanced safety against ground faults is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker with Ground Fault Protection
  • Manufacturer: Siemens
  • Functions: GFCI 5MA
  • Voltage Rating: 208/120 V
  • Poles: 3
  • Current Rating: 90 A
  • Part Number: B390GFHH